GMC fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
GMC shares fault-code data with GM. Data may not cover GMC-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| B0228 | Front passenger pretensioner resistance circuit short to ground | 11 | Body |
| B0229 | HVAC actuator circuit | 7 | Body |
| B022A | Recirculate Position Command 2 Circuit | 7 | Body |
| B022B | Right Recirculate Position Feedback Circuit | 7 | Body |
| B0233 | Air mix door circuit range | 6 | Body |
| B0234 | Air mix door 1 range error | 6 | Body |
| B0237 | Air mix door 1 inoperative | 5 | Body |
| B0238 | Defrost Air Flow Control Circuit | 8 | Body |
| B023A | HVAC Actuators Supply Voltage | 6 | Body |
| B0243 | Heater Air Flow Control Circuit | 8 | Body |
| B0248 | Air flow control 3 circuit | 7 | Body |
| B0249 | Air flow control 3 circuit range | 7 | Body |
| B0252 | Heater/defrost/ac door inoperative error | 5 | Body |
| B0253 | Air Flow Control 4 Circuit | 8 | Body |
| B0254 | Air Flow Control 4 Circuit Performance | 7 | Body |
| B0258 | Ventilation Air Flow Control Circuit | 8 | Body |
| B0263 | HVAC actuator circuit | 8 | Body |
| B0268 | A/I door inoperative error | 9 | Body |
| B0269 | air inlet door range error | 10 | Body |
| B0272 | Air inlet door inoperative | 3 | Body |
| B0273 | HFM Temperature At Cold Start | 7 | Body |
| B0274 | Air Flow Control 3 Circuit Too Many Pulses | 9 | Body |
| B0278 | Dual Zone Air Flow Control Circuit | 7 | Body |
| B0279 | Air mix door 2 range error | 7 | Body |
| B0282 | Air mix door 2 inoperative | 3 | Body |
| B0283 | electric rear defrost circuit | 8 | Body |
| B0285 | Electric rear defrost circuit low | 2 | Body |
| B0286 | Electric rear defrost circuit high | 2 | Body |
| B0288 | Air Conditioning Request Circuit | 7 | Body |
| B0293 | Front Control Feedback Circuit | 6 | Body |
| B0298 | Passenger Control Feedback Circuit | 6 | Body |
| B0303 | Front passenger airbag off warning lamp error | 10 | Body |
| B0313 | CAN-LS monitor data abnormal | 8 | Body |
| B0318 | HVAC Selection Switch Circuit | 6 | Body |
| B0323 | CAN-LS monitor no-receive data | 7 | Body |
| B0328 | Supply Voltage Too High | 8 | Body |
| B0332 | Outside temp sensor circuit short to ground | 4 | Body |
| B0333 | Outside temp sensor open | 8 | Body |
| B0337 | Inside temp sensor circuit short to ground | 2 | Body |
| B0338 | Inside temp sensor open | 6 | Body |
| B0343 | Climate Control Cooler Selection Switch Circuit | 6 | Body |
| B0348 | Capteur de temp. ensol. ouvert | 6 | Body |
| B0353 | Climate Control Blend 2, Defog and Floor Selection Switch Circuit | 6 | Body |
| B0358 | Climate Control Auto Control Selection Switch Circuit | 6 | Body |
| B0361 | Motor 1 feedback short | 2 | Body |
| B0363 | Motor 1 feedback open | 7 | Body |
| B0365 | Motor 2 feedback short | 2 | Body |
| B0367 | Motor 2 feedback open | 2 | Body |
| B0368 | Climate Control Selection Switch Assembly Circuit | 6 | Body |
| B0373 | Rear Climate Control Off or Mode Selection Switch Circuit | 6 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.